Aging Effects in Field-Compacted Dredged Material: Steel Slag Fines Blends

Abstract

This paper contains the results of aging study performed on 365-day-old trial highway embankments constructed of field-compacted dredged material (DM), steel slag fines (SSF), and three DM-SSF blends. Key findings include that moisture content of the internal core at 365 days was essentially unchanged from the as-built conditions, and the bulk (major oxide) chemistry of the DM-SSF blends matched what was predicted by the field blending ratios. The addition of SSF to the 100% DM resulted in significant pH buffering and in strength increases up to a factor of 2, as measured by the average cone penetrometer test (CPT) tip resistance. Refusal (